Reuters: South Korea plans to invest 37 trillion won (£19.3 billion) from 2009 to 2022 on new power plants, including 12 new nuclear plants, to boost fuel efficiency and cut emissions, Seoul’s energy ministry said on Sunday. Skip related content South Korea, the world’s fifth-largest crude importer, will also build seven new coal plants, 11 LNG plants and one heavy fuel plant by 2022, but it will get rid of three existing coal plants, six LNG plants and 13 heavy fuel units to boost efficiency, …